#a1 {
	height: 500px;
	margin: 100px 0px 100px 500px;
}

#b1 {
	margin: 10px 20px 15px 190px;
}

#c1 {
	margin: 290px 100px 0px 40px;
}

#e1 {
	margin: 0px 200px 200px 185px;
}

#a2 {
	margin: -40px -150px -200px 310px;
}

#BX {
	display: none;
	clear:both;
	width: 200px;
	min-height: 50px;
	background: rgba(0, 0, 0, 0.6);
	position: fixed;
	bottom: 900px; 
	left: 820px;
	margin: -100px;
	border-radius: 5px;
	text-align: center;
	line-height: 50px;
	color: #fff;
	z-index: 25;
}
#BXlog {
	display: none;
	clear:both;
	width: 200px;
	min-height: 50px;
	background: rgba(0, 0, 0, 0.6);
	position: fixed;
	bottom: 915px; 
	left:950px ;
	margin: -100px;
	border-radius: 5px;
	text-align: center;
	line-height: 50px;
	color: #fff;
	z-index: 25;
}
